16 
BIIOTHERUS. 
elongatis, valde incrassatis, lumine lineari, basilaribus externis elongatis, 
valde incrassatis, lumine lineari, limbum latum laevem efformantibus ; 
bracteae perichaetii erectae, foliis longiores, longius acuminatae, longe 
aristatae ; seta circ. 5 mm. alta, strictiuscula, sicca dextrorsum torta, 
rubra, ubique scabra; theca erecta, ovalis, fuscidula, ore intensius colorata, 
sicca laevis, ore plicata ; peristomium, simplex, e membrana circ. 0.075 mm. 
alta hyalina valde papillosa compositum ; calyptra campanulata, plicata, 
pilis elongatis suberectis fusco-aureis dense vestita. Caetera ignota. 
Mindanao, Province of Misamis, Mount Malindang, on trees (For. Bur. 4794 
Mearns and, Hutchinson) . 
Species curiosissima, pulclierrima, cum nulla specie adhuc eognita sectionis 
Goniostomae commutanda. 
Macomitrium (Leiostoma) Copelandii Broth, sp. nov. 
Dioicum ; sat gracile, caespitosum, caespitibus densis, mollibus, fus- 
cescenti-viridibus, aetate fuscescentibus, hand nitidis; caulis Bepens, 
fusco-tomentosus, densissime ramosus, ramis erectis, circ. 1.5 cm. longis, 
flexuosnlis, interne fusco-radieulosis, densissime foliosis, breviter et vage 
ramulosis, obtusis ; folia ramea sicca flexuosulo-adpressa, comalia tantum 
indistincte spiraliter contortula, liumida patula carinato-concava, ovato- 
ligulata, obtusa, mucronata, apicalia aristata, circ. 1.15 mm. longa, mar- 
ginibus erectis, integerrimis, nervo crassiusculo, rufescente, in mucronem 
vel aristam laevem excedente, cellulis superioribus subrotundis 0.010- 
0.012 mm. pellucidis, laevibus, dein majoribus, basilaribus elongatis, 
incrassatis, lumine angustissimo, ad plicas elevato-papillosis ; bracteae 
perichaetii foliis subsimiles; seta 1 cm. alta, tenuissima, sicca flexuosula, 
lutescens, laevissima; theca erecta, minuta, ovalis, circ. 1.2 mm. alta, 
leptodermis, sicca laevis, ore baud plicata, fuscidula; calyptra nuda. 
Caetera ignota. 
Luzon, Province of Bataan, Mount Mariveles, on trees (Copeland) . 
Species M. Blumei Nees affinis, sed foliis comalibus tantum indistincte spiral iter 
contortis necnon seta ubique scabra jam dignoscenda. 
Macromitrium (Leiostoma) Foxworthyi Broth, sp. nov. 
Dioicum; gracile, caespitosum, caespitibus densis, humilibus, pallide 
viridibus, aetate fuscescenti-viridibus, baud nitidis; caulis elongatus, re- 
pens, plus minusve fusco-tomentosus, dense ramosus, ramis erectis, vix 
ultra 7 mm. altis, dense foliosis, simplicibus vel apice divisis, obtusis; 
folia ramea sicca circinato-incurva, liumida patula, Jineari-lanceolata, 
acuta, circ. 1.9 mm. longa et circ. 0.3 mm. lata, marginibus erectis, inte- 
gerrimis, nervo lutescente, infra summum apicem folii evanido, cellulis 
subrotundis, 0.005-0.007 mm., pellucidis, sublaevibus, basilaribus elonga- 
tis, incrassatis, lumine semilunari, laevissimis; bracteae perichaetii erec- 
tae, foliis subsimiles, angustius acuminatae; seta 4 mm. alta, tenuis, 
strictiuscula, rubella, laevissima; theca erecta, ovalis, circ. 1.7 mm. longa 
